145861433 has 2 divisors, whose sum is σ = 145861434. Its totient is φ = 145861432.

The previous prime is 145861403. The next prime is 145861447. The reversal of 145861433 is 334168541.

145861433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74425129 + 71436304 = 8627^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 145861433 - 2⁶ = 145861369 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145861393 and 145861402.

It is not a weakly prime, because it can be changed into another prime (145861403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72930716 + 72930717.

It is an arithmetic number, because the mean of its divisors is an integer number (72930717).

Almost surely, 2^145861433 is an apocalyptic number.

It is an amenable number.

145861433 is a deficient number, since it is larger than the sum of its proper divisors (1).

145861433 is an equidigital number, since it uses as much as digits as its factorization.

145861433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 145861433 is about 12077.3106691846. The cubic root of 145861433 is about 526.3971047953.

The spelling of 145861433 in words is "one hundred forty-five million, eight hundred sixty-one thousand, four hundred thirty-three".